Home / 189,770.05-261,882.71-104,887.11

Finding the Fourth Proportional to 189,770.05, 261,882.71 and 104,887.11

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Solution

The fourth proportional to 189,770.05, 261,882.71 and 104,887.11 is: 144,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,770.05 : 261,882.71 = 104,887.11 : x
  2. Step 2: Convert to fraction form
    189,770.05/261,882.71 = 104,887.11/x
  3. Step 3: Cross multiply
    189,770.05x = 261,882.71 × 104,887.11
  4. Step 4: Simplify right side
    189,770.05x = 27,468,120,610.87
  5. Step 5: Solve for x
    x = 27,468,120,610.87/189,770.05
  6. Step 6: Final answer
    x = 144,744.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.